Q. Which one of the following is not an application of green chemistry?
A) Replacement of $CFCs\ by\ CO_{2}$ as blowing agent in the manufacture of polystyrene foam sheets
B) Reacting methylamine and phosgene to produce methyl isocyanate
C) Replacement of organotins by ‘sea-nine’ as anti fouling compound in sea marines
D) Catalytic dehydrogenation of the diethanol amine without using cyanide and formaldehyde
Explanation
The correct answer is Option B: Reacting methylamine and phosgene to produce methyl isocyanate.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.